Mac’s service to the game of soccer took the form of founding Soccer Camps, refereeing, and coaching education. In 1976 he founded the Manassas Soccer Camp at the Northern Virginia Community College Manassas campus, in 1978 he co-founded the Linton Hall Soccer Camp, which continues today as Chip Rohr’s Soccer Camp, and in 1983 he founded the Fauquier Soccer camp. Mac served as administrator at all three camps. He became certified as a referee in 1970 and worked in the NASL and ASL, as well as senior amateur matches. He was an active referee and instructor, and helped to develop the referee assessment program. He also hosted VYSA Coaching Education courses at
NVCC Manassas for many years.